(A) Overview of cohort characteristics, vaccination strains, and immune variables measured before (d0), 7 days (d7), and 42 days (d42) after seasonal influenza vaccination. (B) IgG responses to HA …
Representative flow cytometry plots for B cell immunophenotyping pre-gated on single, live lymphocytes, stained with the panel outlined in Supplementary file 3.
Representative flow cytometry plots for the analysis of CD4+ T cells, stained with the panel outlined in Supplementary file 4. Histograms show representative staining for ICOS expression on d7 …
Representative flow cytometry plots for the cell sorting of HA-specific Tet+ cells, stained with the panel outlined in Supplementary file 4. Red gates indicate the sorted populations on d0 and/or …
(A) Log2 HAI titres at baseline (d0), d7, and d42 for cohort 1 (n = 16) and (B) cohort 2 (n = 21). (C) Correlation between HAI and A.Cali09 IgG as measured by Luminex assay for cohorts 1 and 2 …
(A) The concentration of cytokines in serum (log10 pg/mL) at d0 and d7. Variables with significant log2 fold change in Figure 1 shown. (B) The percentage of circulating T follicular helper (cTfh+) …
(A) Representative flow cytometry gating strategy for CXCR5+ PD-1+ cTfh cells on CD4+ CD45RA- T cells, and the proportion of HA-specific Tet+ cells within the CXCR5+ PD-1+ cTfh cell gate. (B) The …
(A) Overview of correlation analysis between A.Cali09 IgG response at day 42 (minus d0 baseline titre, d42-d0) and immune variables for cohort 1, cohort 2, and both cohorts combined (All). (B) …
Correlation between vaccine-induced A.Cali09 HAI titres at d42 with selected immune parameters in both cohort 1 and cohort 2 (n = 37). Dot colour corresponds to the cohort (black = cohort 1, grey = …
(A) Overview of cell types and sample sizes that were sequenced d0 and d7 at each cohort. d0 median = 45 cells (6–258); d7 median = 88 cells (5–1000). (B) Representative pie charts of the …
(A) The number of cells sorted and sequenced at each time point for each cohort, 18–36-year-old samples only. (B) The number of sequenced cells displayed against the number of TCRB clonotypes …
(A) Principal component analysis of 1000 genes with the largest variance in sequenced cells from d0 TET+ cells (shown in grey) and d7 TET+ circulating T follicular helper (cTfh) cells (shown in …
(A) Overview of age groups and sample sizes for each cohort. (B) IgG responses to haemagglutinin (HA) proteins from vaccine influenza strains measured by Luminex for each age group. (C) Diffusion …
(A) The serum concentration (log10 pg/mL) of d0 April, d0 TWEAK, and d42 SCF across age groups and cohorts. Variables with consistently significant (padj<0.05) across both cohorts as in Figure 5G …
(A) Overview of sample numbers and cell types sequenced at d0 and d7 for each cohort and each age group. Dark and light green dots indicate d7 Tet+ cells sequenced from cohort 2 only. (B) Normalised …
(A) Correlation between circulating T follicular helper (cTfh) Tet+ cells and inflammation, TNF or IL2 gene signatures scores in d7 Tet+cTfh cells. (B) Correlation between A.Cali09 IgG titre …
Assessment of the Tfh cell and germinal centre response in Il2cre/+; Rosa26stop-flox-Il2/+ transgenic mice that do not switch off IL-2 production, and Il2cre/+; Rosa26+/+ control mice 12 days after …
Reagent type (species) or resource | Designation | Source or reference | Identifiers | Additional information |
---|---|---|---|---|
Other | Viability dye and labelling reagent | Thermo Fisher | Cat#: 65-0865-18 | Flow cytometry (1:10,000) |
Antibody | Anti-human CD14 APC-eF780 clone: 61D3 (mouse monoclonal) | Thermo Fisher | Cat#: 47-0149-42 | Flow cytometry (0.5 μL/million cells) |
Antibody | Anti-human CD16 APC-eF780 clone: eBioCB16 (mouse monoclonal) | Thermo Fisher | Cat#: 47-0168-42 | Flow cytometry (0.3 uL/million cells) |
Antibody | Anti-human CD3 BV605 clone: UCHT1 (mouse monoclonal) | BioLegend | Cat#: 300460 | Flow cytometry(0.5 μL/million cells) |
Antibody | Anti-human CD19 BB515 clone: HIB19 (mouse monoclonal) | BD Biosciences | Cat#: 564456 | Flow cytometry(1 μL/million cells) |
Antibody | Anti-IgD BV421 clone: IA6-2 (mouse monoclonal) | BD Biosciences | Cat#: 563813 | Flow cytometry(1 μL/million cells) |
Antibody | Anti-human CD38 APC clone: HIT2 (mouse monoclonal) | Thermo Fisher | Cat#: 17-0389-42 | Flow cytometry (0.5 μL/million cells) |
Antibody | Anti-human CD20 PECY7 clone: 2H7 (mouse monoclonal) | BioLegend | Cat#: 302312 | Flow cytometry (0.5 μL/million cells) |
Antibody | Anti-human CD27 BV650 clone: M-T271 (mouse monoclonal) | BD Biosciences | Cat#: 564894 | Flow cytometry(0.5 μL/million cells) |
Antibody | Anti-human CD24 PerCP-eFluor 710 clone: eBioSN3 (mouse monoclonal) | Thermo Fisher | Cat#: 46-0247-42 | Flow cytometry(0.5 μL/million cells) |
Antibody | Anti-human CD19 APC-eF780 clone: HIB19 (mouse monoclonal) | Thermo Fisher | Cat#: 47-0199-42 | Flow cytometry (0.3 μL/million cells) |
Antibody | Anti-human CD3 BUV 395 clone: UCHT1 (mouse monoclonal) | Thermo Fisher | Cat#: 563546 | Flow cytometry(0.5 μL/million cells) |
Antibody | Anti-human CD45RA BUV737 clone: HI100 (mouse monoclonal) | BD Biosciences | Cat#: 564442 | Flow cytometry(0.5 μL/million cells) |
Antibody | Anti-human CD4 PercpCy5.5 clone: RPA-T4 (mouse monoclonal) | BD Biosciences | Cat#: 560650 | Flow cytometry(0.3 μL/million cells) |
Antibody | Anti-human CXCR5 BB515 clone: RF8B2 (rat monoclonal) | BD Biosciences | Cat#: 564624 | Flow cytometry (0.9 μL/million cells) |
Antibody | Anti-human PD1 APC clone: eBioJ105 (mouse monoclonal) | BD Biosciences | Cat#: 17-2799-42 | Flow cytometry (1 μL/million cells) |
Antibody | Anti-human ICOS biotin clone: ISA-3 (mouse monoclonal) | Thermo Fisher | Cat#: 13-9948-82 | Flow cytometry(1 μL/million cells) |
Antibody | Anti-human CXCR3 BV421 clone: 1C6/CXCR3 (mouse monoclonal) | Thermo Fisher | Cat#: 562558 | Flow cytometry(0.5 μL/million cells) |
Antibody | Anti-human CCR6 BV786 clone: 11A9 (mouse monoclonal) | BD Biosciences | Cat#: 563704 | Flow cytometry(0.5 μL/million cells) |
Other | Streptavidin BV650 | BD Biosciences | Cat#: 563855 | Flow cytometry (0.2 μL/million cells) |
Antibody | Anti-mouse CXCR5 clone: L138D7 (rat monoclonal) | BioLegend | Cat#:145511; RRID:AB_2562127 | Flow cytometry (1:50) |
Antibody | Anti-mouse PD-1 clone: 29F.1A12 (rat monoclonal) | BioLegend | Cat#: 135231; RRID:AB_2566158 | Flow cytometry (1:5000) |
Antibody | Anti-mouse Foxp3 clone: FJK-16s (rat monoclonal) | eBioscience | Cat#: 48-5773-82; RRID:AB_1518812 | Flow cytometry (1:400) |
Antibody | Anti-mouse B220 clone: RA3-6B2 (Rat monoclonal) | eBioscience | Cat#: 15-0452-82; RRID:AB_468755 | Flow cytometry (1:500) |
Antibody | Anti-mouse Ki67 clone: 16A8 (rat monoclonal) | BioLegend | Cat#: 652420; RRID:AB_2564285 | Flow cytometry (1:1000) |
Antibody | Anti-mouse/human Bcl6 mouse clone: K112-91 (mouse monoclonal) | BD Biosciences | Cat#: 561525; RRID:AB_10898007B | Flow cytometry (1:200) |
Antibody | Anti-mouse CD4 clone: GK1.5 (rat monoclonal) | BD Biosciences | Cat#: 563790; RRID:AB_2738426 | Flow cytometry (1:400) |
Immunological variables.
Table of the immunological parameters used in this study
Inflammation, TNF, and IL-2 gene signatures.
Table of the gene names used for the inflammation, TNF, and IL-2 gene signatures.
Antibody panel for B cells.
Table of the flow cytometry staining panel used for identifying B cell subsets.
Antibody panel for T cells.
Table of the flow cytometry staining panel used for identifying T cell subsets.
18–36-year-old samples d7 cTfh vs. d0 gene list.
Lymph node germinal centre Tfh gene signature.
d7 Tfh gene set.
d7 vaccination genes.
Ageing d7 cTfh vs. d0 gene list.